<script setup>
import {onMounted, onUnmounted, ref} from "vue";
import {useRoute, useRouter} from "vue-router";
import {UserSessionStorage} from "@/stores/common.js";
import Footer from "@/components/common/Footer.vue";
import axios from "axios";
import qs from "qs";

const route = useRoute();
const router = useRouter();
const userStore=UserSessionStorage()
const orderTypeId=ref(
    route.query.orderTypeId
)
const businessArr=ref([])
const user=ref({})
const listCartForm=ref({
  userId:'',
  businessId:''
})
onMounted(()=> {
  console.log(orderTypeId)
  //获取用户
  user.value = userStore.getSessionStorage('user');
  listCartForm.value.userId=user.value.userId;
  //根据orderTypeId查询商家信息
  axios.get(`business/listBusinessByOrderTypeId?orderTypeId=${orderTypeId.value}`

  ).then(response=>{
    businessArr.value = response.data.data.businessList;

    //判断是否登录
    if(user.value!=null){
      listCart();
    }
  }).catch(error=>{
    console.error(error);
  });
})
function listCart(){
  axios.post('cart/listCart',listCartForm.value).then(response=>{
    let cartArr = response.data.data.cartResponseDtos;
    //遍历所有食品列表
    for(let businessItem of businessArr.value){
      businessItem.quantity = 0;
      for(let cartItem of cartArr){
        if(cartItem.businessId===businessItem.businessId){
          businessItem.quantity += cartItem.quantity;
        }
      }
    }
    businessArr.value.sort();
  }).catch(error=>{
    console.error(error);
  });
}
function toBusinessInfo(businessId){
  router.push({path:'/businessInfo',query:{businessId:businessId}});

}

</script>

<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <p>商家列表</p>
    </header>
    <!-- 商家列表部分 -->
    <ul class="business">
      <li v-for="item in businessArr" @click="toBusinessInfo(item.businessId)">
        <div class="business-img">
          <img :src="item.businessImg">
          <div class="business-img-quantity" v-show="item.quantity>0">
            {{item.quantity}}</div>
        </div>
        <div class="business-info">
          <h3>{{item.businessName}}</h3>
          <p>&#165;{{item.starPrice}}起送 | &#165;{{item.deliveryPrice}}配送</p>
          <p>{{item.businessExplain}}</p>
        </div>
      </li>
    </ul>
    <!-- 底部菜单部分 -->
    <Footer></Footer>
  </div>
</template>

<style scoped>
/****************** 总容器 ******************/
.wrapper {
  width: 100%;
  height: 100%;
}
/****************** header部分 ******************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097FF;
  color: #fff;
  font-size: 4.8vw;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}
/****************** 商家列表部分 ******************/
.wrapper .business {
  width: 100%;
  margin-top: 12vw;
  margin-bottom: 14vw;
}
.wrapper .business li {
  width: 100%;
  box-sizing: border-box;
  padding: 2.5vw;
  border-bottom: solid 1px #DDD;
  user-select: none;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.wrapper .business li .business-img {
  /*这里设置为相当定位，成为business-img-quantity元素的父元素*/
  position: relative;
}
.wrapper .business li .business-img img {
  width: 20vw;
  height: 20vw;
}
.wrapper .business li .business-img .business-img-quantity {
  width: 5vw;
  height: 5vw;
  background-color: red;
  color: #fff;
  font-size: 3.6vw;
  border-radius: 2.5vw;
  display: flex;
  justify-content: center;
  align-items: center;
  /*设置成绝对定位，不占文档流空间*/
  position: absolute;
  right: -1.5vw;
  top: -1.5vw;
}
.wrapper .business li .business-info {
  margin-left: 3vw;
}
.wrapper .business li .business-info h3 {
  font-size: 3.8vw;
  color: #555;
}
.wrapper .business li .business-info p {
  font-size: 3vw;
  color: #888;
  margin-top: 2vw;

}
</style>
